The gradient of the line passing through the points P(4, 5) and Q(x, 9) is $\frac{1}{2}$. Find the value of x.

Similar Questions

Given that $x^{2} + 4x + k = (x + r)^{2} + 1$, find the value of k and r...

Evaluate $\frac{1}{1 - \sin 60°}$, leaving your answer in surd form....

Two forces, each of magnitude 16 N, are inclined to each other at an angle of 60°. Calculate the...

In how many ways can four Mathematicians be selected from six ? ...

The fourth term of an exponential sequence is 192 and its ninth term is 6. Find the common ratio of ...

If $x^2+y^2+-2x-6y+5 =0$, evaluate dy/dx when x=3 and y=2....

A binary operation $\Delta$ is defined on the set of real numbers, R, by \(a \Delta b = \frac{a+b}...

Given that $AB = \begin{pmatrix} 4 \\ 3 \end{pmatrix}$ and \(AC = \begin{pmatrix} 2 \\ -3 \end{pma...

Given n = 3, evaluate $\frac{1}{(n-1)!} - \frac{1}{(n+1)!}$...

Evaluate $\int_{-1}^{1} (x + 1)^{2}\mathrm {d} x$. ...